Fluosilicic
硅氟
🗣️ 情景例句
I don't know how to thank you enought.
我不知道应该如何感谢你。
Knowledge is a treasure, but practice is the key to it.
知识是一座宝库，实践是打开宝库的钥匙。
That was all she remembered.
她所记得的就是这些。